<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
    <form action="/login">
        <input type="text" name="username" id="" placeholder="username">
        <input type="text" name="pwd" id="" placeholder="pwd">
        <input type="submit" name="" id="" value="ok">
    </form>
</body>
</html>